Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. executing program [ 131.242979][ T4190] loop0: detected capacity change from 0 to 32768 [ 131.301197][ T4190] gfs2: fsid=„½%b­i’~N-SS“: Trying to join cluster "lock_nolock", "„½%b­i’~N-SS“" [ 131.312491][ T4190] gfs2: fsid=„½%b­i’~N-SS“: Now mounting FS (format 1801)... [ 131.331719][ T4190] gfs2: fsid=„½%b­i’~N-SS“.0: journal 0 mapped with 18 extents in 0ms [ 131.343725][ T1107] gfs2: fsid=„½%b­i’~N-SS“.0: jid=0, already locked for use [ 131.351334][ T1107] gfs2: fsid=„½%b­i’~N-SS“.0: jid=0: Looking at journal... [ 131.412207][ T1107] gfs2: fsid=„½%b­i’~N-SS“.0: jid=0: Journal head lookup took 60ms [ 131.421301][ T1107] gfs2: fsid=„½%b­i’~N-SS“.0: jid=0: Done [ 131.427840][ T4190] gfs2: fsid=„½%b­i’~N-SS“.0: first mount done, others may mount [ 286.262324][ T27] INFO: task syz-executor596:4189 blocked for more than 143 seconds. [ 286.270537][ T27] Not tainted 5.15.182-syzkaller #0 [ 286.276469][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.285218][ T27] task:syz-executor596 state:D stack:26024 pid: 4189 ppid: 4188 flags:0x00004002 [ 286.294536][ T27] Call Trace: [ 286.297827][ T27] [ 286.300757][ T27] __schedule+0x11b8/0x43b0 [ 286.305339][ T27] ? _raw_spin_lock_irqsave+0x7f/0xf0 [ 286.310739][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 286.316720][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 286.322753][ T27] ? _raw_spin_unlock+0x40/0x40 [ 286.327613][ T27] ? rcu_is_watching+0x11/0xa0 [ 286.332454][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.338371][ T27] schedule+0x11b/0x1e0 [ 286.342572][ T27] schedule_timeout+0x15c/0x280 [ 286.347443][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.353541][ T27] ? update_process_times+0x200/0x200 [ 286.358943][ T27] ? prepare_to_wait_event+0x42c/0x460 [ 286.364469][ T27] gfs2_gl_hash_clear+0x1a4/0x2f0 [ 286.369521][ T27] ? thaw_glock+0x150/0x150 [ 286.374126][ T27] ? gfs2_jindex_free+0x39b/0x400 [ 286.379166][ T27] ? init_wait_entry+0xd0/0xd0 [ 286.384001][ T27] ? gfs2_setbit+0x5a0/0x5a0 [ 286.388618][ T27] gfs2_put_super+0x769/0x7d0 [ 286.393378][ T27] ? gfs2_evict_inode+0x11f0/0x11f0 [ 286.398603][ T27] generic_shutdown_super+0x130/0x300 [ 286.404062][ T27] kill_block_super+0x7c/0xe0 [ 286.408784][ T27] deactivate_locked_super+0x93/0xf0 [ 286.414276][ T27] cleanup_mnt+0x418/0x4d0 [ 286.418720][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 286.423997][ T27] task_work_run+0x125/0x1a0 [ 286.428611][ T27] exit_to_user_mode_loop+0x10f/0x130 [ 286.434058][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 286.439629][ T27] syscall_exit_to_user_mode+0x16/0x40 [ 286.445151][ T27] do_syscall_64+0x58/0xa0 [ 286.449595][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.454335][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.459037][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.465015][ T27] RIP: 0033:0x7fbbcdf174c7 [ 286.469454][ T27] RSP: 002b:00007ffecf6cf768 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 286.477938][ T27] RAX: 0000000000000000 RBX: 000000000001ffba RCX: 00007fbbcdf174c7 [ 286.485960][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf6cf820 [ 286.494076][ T27] RBP: 00007ffecf6cf820 R08: 0000000000000000 R09: 0000000000000000 [ 286.502108][ T27] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffecf6d0890 [ 286.510076][ T27] R13: 00005555828a66c0 R14: 431bde82d7b634db R15: 00007ffecf6d08b0 [ 286.518132][ T27] [ 286.521172][ T27] [ 286.521172][ T27] Showing all locks held in the system: [ 286.528931][ T27] 1 lock held by khungtaskd/27: [ 286.533828][ T27] #0: ffffffff8c11bea0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.543227][ T27] 2 locks held by getty/3932: [ 286.547913][ T27] #0: ffff88814d01d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.557738][ T27] #1: ffffc90002ce32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 [ 286.567941][ T27] 1 lock held by syz-executor596/4189: [ 286.573629][ T27] #0: ffff8880204c00e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa0/0xd0 [ 286.584101][ T27] [ 286.586421][ T27] ============================================= [ 286.586421][ T27] [ 286.594903][ T27] NMI backtrace for cpu 1 [ 286.599428][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.182-syzkaller #0 [ 286.607395][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 286.617545][ T27] Call Trace: [ 286.620812][ T27] [ 286.623845][ T27] dump_stack_lvl+0x168/0x230 [ 286.628570][ T27] ? show_regs_print_info+0x20/0x20 [ 286.633774][ T27] ? load_image+0x3b0/0x3b0 [ 286.638273][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0 [ 286.643385][ T27] nmi_cpu_backtrace+0x397/0x3d0 [ 286.648339][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 286.654625][ T27] ? _printk+0xcc/0x110 [ 286.659003][ T27] ? load_image+0x3b0/0x3b0 [ 286.663589][ T27] ? load_image+0x3b0/0x3b0 [ 286.668084][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.674249][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 286.680228][ T27] watchdog+0xe0f/0xe50 [ 286.684388][ T27] kthread+0x436/0x520 [ 286.688578][ T27] ? hungtask_pm_notify+0x40/0x40 [ 286.693589][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.698169][ T27] ret_from_fork+0x1f/0x30 [ 286.702589][ T27] [ 286.705932][ T27] Sending NMI from CPU 1 to CPUs 0: [ 286.711184][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10 [ 286.712209][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.726107][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.182-syzkaller #0 [ 286.734077][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 286.744118][ T27] Call Trace: [ 286.747390][ T27] [ 286.750312][ T27] dump_stack_lvl+0x168/0x230 [ 286.754989][ T27] ? show_regs_print_info+0x20/0x20 [ 286.760181][ T27] ? load_image+0x3b0/0x3b0 [ 286.764683][ T27] panic+0x2c9/0x7f0 [ 286.768570][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.774197][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 286.778687][ T27] ? __irq_work_queue_local+0x12c/0x190 [ 286.784250][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280 [ 286.790405][ T27] watchdog+0xe4e/0xe50 [ 286.794645][ T27] kthread+0x436/0x520 [ 286.798715][ T27] ? hungtask_pm_notify+0x40/0x40 [ 286.803730][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.808307][ T27] ret_from_fork+0x1f/0x30 [ 286.812722][ T27] [ 286.815893][ T27] Kernel Offset: disabled [ 286.820221][ T27] Rebooting in 86400 seconds..